dl-learner-svn

[DL-Learner SVN] SF.net SVN: dl-learner: [424] trunk/src/dl-learner/org/dllearner/kb/sparql/ query/SparqlQuery.java

[<sk...@us...>]

Revision: 424
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=424&view=rev
Author:   sknappe
Date:     2008-01-24 01:31:09 -0800 (Thu, 24 Jan 2008)

Log Message:
-----------
changed send() Method to now work with bif:contains

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java

Modified: trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java	2008-01-24 08:57:25 UTC (rev 423)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java	2008-01-24 09:31:09 UTC (rev 424)
@@ -38,6 +38,7 @@
 import com.hp.hpl.jena.query.ResultSetFactory;
 import com.hp.hpl.jena.query.ResultSetFormatter;
 import com.hp.hpl.jena.sparql.core.ResultBinding;
+import com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP;
 
 /**
  * Represents one SPARQL query. It includes support for stopping the SPARQL query
@@ -86,17 +87,18 @@
 	 */
 	protected ResultSet send() {
 		p(queryString);
-		// create a query and parse it into Jena
-		Query query = QueryFactory.create(queryString);
-		query.validate();
-
+		
 		String service = endpoint.getURL().toString();
 		p(endpoint.getURL().toString());
 		// Jena access to SPARQL endpoint
-		QueryExecution queryExecution = QueryExecutionFactory.sparqlService(
-				service, query, endpoint.getDefaultGraphURIs(), endpoint
-						.getNamedGraphURIs());
-
+		QueryEngineHTTP queryExecution=new QueryEngineHTTP(service,queryString);
+		for (String dgu : endpoint.getDefaultGraphURIs()){
+			queryExecution.addDefaultGraph(dgu);
+		}
+		for (String ngu : endpoint.getNamedGraphURIs()){
+			queryExecution.addNamedGraph(ngu);
+		}
+		queryExecution.addDefaultGraph("http://dbpedia.org");
 		p("query SPARQL server");
 		
 		


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[DL-Learner SVN] SF.net SVN: dl-learner: [434] trunk/src/dl-learner/org/dllearner/kb/sparql/ query/SparqlQuery.java

[<sk...@us...>]

Revision: 434
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=434&view=rev
Author:   sknappe
Date:     2008-01-28 07:23:51 -0800 (Mon, 28 Jan 2008)

Log Message:
-----------
changed to non dbpedia-specific queries

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java

Modified: trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java	2008-01-28 14:27:16 UTC (rev 433)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java	2008-01-28 15:23:51 UTC (rev 434)
@@ -95,7 +95,6 @@
 		for (String ngu : endpoint.getNamedGraphURIs()){
 			queryExecution.addNamedGraph(ngu);
 		}
-		queryExecution.addDefaultGraph("http://dbpedia.org");
 		p("query SPARQL server");
 		
 		
@@ -261,51 +260,6 @@
 		return rs;
 		
 	}
-	
-	
-	
-	
-	/**
-	 * creates a query for subjects with the specified label
-	 * @param label a phrase that is part of the label of a subject
-	 * @param limit this limits the amount of results
-	 * @param endpoint a SparqlEndpoint
-	 * @return SparqlQuery
-	 */
-	public static SparqlQuery makeLabelQuery(String label,int limit,SparqlEndpoint endpoint){
-		//TODO maybe use http://xmlns:com/foaf/0.1/page
-		String queryString= 
-		"SELECT DISTINCT ?subject\n"+
-		"WHERE { ?subject <http://www.w3.org/2000/01/rdf-schema#label> ?object. ?object bif:contains '\""+label+"\"'@en}\n"+
-		"LIMIT "+limit;
-		return new SparqlQuery( queryString,endpoint);
-	}
-	
-	/**
-	 * creates a query for all subjects that are of the type concept
-	 * @param concept the type that subjects are searched for
-	 * @param endpoint a SparqlEndpoint
-	 * @return SparqlQuery
-	 */
-	public static SparqlQuery makeConceptQuery(String concept, SparqlEndpoint endpoint){
-		String queryString = 
-			"SELECT DISTINCT ?subject\n"+
-			"WHERE { ?subject a <"+concept+">}\n";
-		return new SparqlQuery( queryString,endpoint);
-	}
-	
-	/**
-	 * @param subject
-	 * @param endpoint a SparqlEndpoint
-	 * @return SparqlQuery
-	 */
-	public static SparqlQuery makeArticleQuery(String subject,SparqlEndpoint endpoint){
-		String queryString = 
-		"SELECT ?predicate ?object\n"+
-		"WHERE { <"+subject+"> ?predicate ?object}\n";
-		return new SparqlQuery( queryString,endpoint);
-	}	
-	
 
 	public void p(String str) {
 		if (print_flag) {


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[DL-Learner SVN] SF.net SVN: dl-learner: [452] trunk/src/dl-learner/org/dllearner/kb/sparql/ query/SparqlQuery.java

[<sk...@us...>]

Revision: 452
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=452&view=rev
Author:   sknappe
Date:     2008-01-29 05:28:48 -0800 (Tue, 29 Jan 2008)

Log Message:
-----------
fixed a bug with json

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java

Modified: trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java	2008-01-29 12:03:11 UTC (rev 451)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/query/SparqlQuery.java	2008-01-29 13:28:48 UTC (rev 452)
@@ -238,6 +238,7 @@
 		if (rs==null) this.send();
 		ByteArrayOutputStream baos=new ByteArrayOutputStream();
 		ResultSetFormatter.outputAsJSON(baos, rs);
+		rs=JSONtoResultSet(baos.toString());
 		return baos.toString();
 	}
 	


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